Summary
The remote host is missing an update to the system as announced in the referenced advisory.
Solution
Update your system with the appropriate patches or software upgrades.
http://php-security.org/2010/05/13/mops-2010-023-cacti-graph-viewer-sql-injection-vulnerability/index.html http://www.cacti.net/release_notes_0_8_7f.php
http://www.bonsai-sec.com/en/research/vulnerabilities/cacti-os-command-injection-0105.php http://www.vupen.com/english/advisories/2010/1204
http://www.vuxml.org/freebsd/e02e6a4e-6b26-11df-96b2-0015587e2cc1.html
Insight
The following package is affected: cacti